Appendix B Technical Information; Technical Specifications; Standards Compatibility; Isdn - US Robotics 000698-13 Getting Started Manual

This chapter describes technical and serial port information.

Technical Specifications

Standards Compatibility

Your I-modem uses multiple standard data communications protocols and is
also compatible with many nonstandard schemes. The following schemes are
supported:

ISDN

This standard
ITU-T Q.921
ITU-T Q.931/I.451
ITU-T V.120/I.463
ITU-T V.110/I.462
Technical Information
Supports
ISDN data link layer
ISDN call control signaling variants:
AT&T 5ESS Custom
Northern Telecom DMS-100
National ISDN-1
National ISDN-2
Encapsulates asynchronous or synchronous data for
transmission over the ISDN at 56 or 64 kbps.
Encapsulates asychronous or synchronous data for
transmission over the ISDN at 56 or 64 kbps.
Appendix B
Technical Information
B-1